Welcome to One Harmony

Discover a World of Elegance and Refinement in Our Free Membership Program.

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System maintenance on our website is scheduled as follows. During the system maintenance, some pages and services on this website will be out of service. We apologize for any inconvenience caused.
Maintenance period:
From 8:00 p.m. on Monday January 24th to 10:00 a.m. on Wednesday January 26th, 2022 (Japan Time)
New digital voucher for one-category guestroom upgrades for Loyal & Exclusive Members (“My Voucher”) is now provided. Sign in is required to display the digital voucher. Please click here for display.

Special Offers

ADVANCE - early bird discount

Early booking plans are available! Book now online or at your nearest reservation center to enjoy our ADVANCE rate plan and experience Okura Nikko Hotels.
Click here for details

Contact Us

One Harmony

Inquiry Form
F. A. Q.
9:30-17:30 JST
(Closed Saturdays, Sundays and Holidays)